Precision Engineered Components for Reliable Performance in Construction and Agricultural Equipment.
As a source manufacturer, Honour Time Machinery Limited offers factory-direct sales and expert customization for a wide range of engine cylinder liners for foreign trade export. Contact us today to develop and source high-precision liners for your specific requirements.
Welcome to the specialized sourcing platform for heavy-duty diesel engine parts. We understand the critical need for precision and durability in agricultural and construction machinery. This feature focuses on the essential components for the Yanmar 3TNA74 engine, a widely recognized powerhouse. Our aftermarket parts, including the crucial piston ring set, are manufactured to meet or exceed OEM specifications, guaranteeing a reliable engine rebuild and extended service life for your equipment. Whether you are performing a full engine overhaul or replacing a single worn component, trust our factory-direct components to keep your Kubota, Isuzu, or Yanmar machine running optimally.
The core of an efficient combustion system lies in the precision of its components. Below are the key specifications for our high-quality Yanmar 3TNA74 piston ring products, designed for a 3-cylinder configuration. The proper dimensions ensure optimal compression and oil control, minimizing blow-by and oil consumption. We supply parts for all major brands, including Cummins, Caterpillar, and Komatsu, ensuring we are your one-stop shop for all your heavy machinery component needs.
| Feature | Specification | Keywords |
|---|---|---|
| Engine Type / Machine Model | Yanmar 3TNA74 | Yanmar engine parts, 3TNA74 rebuild |
| Cylinder Number (Cyl. NO.) | 3 | 3-cylinder diesel engine |
| Bore Size (mm) | 74 mm | 74mm bore size, Yanmar bore kit |
| Ring Height (Top + 2nd + Oil) | 2.0mm + 2.0mm + 4.0mm | piston ring groove repair, 2.0+2.0+4.0 ring set |
| Oil Ring Configuration | FM (Full Metal/Single Piece) | FM oil ring type |
| Part Number (Piston Ring Set) | 129350-22500 12935022500 | OEM 129350-22500, Yanmar 12935022500, replacement piston ring set |
We maintain a ready In Stock status for fast global delivery, providing high-quality replacement pistons that are compatible across numerous Weichai and Isuzu applications. This product is rated as a New Product 2024, reflecting our continuous improvement in engine component technology. The table below details our warranty and sourcing information.
| Attribute | Detail | Keywords |
|---|---|---|
| Part Name | Piston | Replacement piston, diesel piston assembly |
| Engine Type / Bore | Diesel / 74 mm | Piston 74mm, diesel engine components |
| Part Number (Example) | 129350-22500 12935022500 | part number 129350-22500, after-market part |
| Warranty / Support | 6 Month / Online Support (After Warranty) | 6 month warranty, after warranty service |
| Stock Status | In Stock / Available | In stock engine parts, fast shipping |
| Marketing Type / Origin | New Product 2024 / China | China origin parts, New Product 2024 |
Honour Time Machinery Limited is a leading provider of comprehensive engine assemblies and spare parts for the world's most trusted heavy equipment brands. Our extensive inventory covers everything from full engine overhaul kits to individual, highly specialized components. We specialize in components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines.
Our main product offerings, designed to meet the demands of heavy machinery diesel engine parts supplier searches, include: cylinder liner, piston, piston ring, main bearing, con rod bearing, thrust washer, overhaul gasket kit, diesel pump, injector, crankshaft, turbocharger, water pump, oil pump, cylinder block, cylinder head, and connecting rod. We provide reliable solutions for everything from Isuzu 4BD1 connecting rod bearing specifications to Cummins QSB4.5 turbocharger replacement cost. We are your source for genuine Komatsu PC200-8 engine cylinder block and Kubota D1105 engine piston ring groove repair.
Understanding your heavy machinery is key to proper maintenance and sourcing. Here are 10 key component definitions, providing valuable excavator engine maintenance guide information for our clients seeking high quality aftermarket engine parts and reliable heavy machinery components.
1. Injector:
A high-precision device that sprays atomized fuel into the combustion chamber. Location: Cylinder Head. Keyword Example: Caterpillar C7 Fuel Injector.
2. Thrust Washer:
A crescent-shaped bearing surface that controls the crankshaft's axial movement. Location: Crankshaft/Main Bearing Cap. Keyword Example: Komatsu PC450-8 Crankshaft Thrust Washer.
3. Turbocharger:
A forced induction device that increases engine power by forcing more air into the combustion chamber. Location: Exhaust Manifold. Keyword Example: Cummins QSB6.7 Turbocharger.
4. Cylinder Liner:
A replaceable cylindrical part fitted into the cylinder block to form the cylinder. Location: Cylinder Block. Keyword Example: Isuzu 6BG1 Cylinder Liner Kit.
5. Water Pump:
Pumps coolant through the engine block and radiator to dissipate heat. Location: Front of Engine Block. Keyword Example: Kubota V3307 Water Pump Assembly.
6. Connecting Rod:
Links the piston to the crankshaft, transmitting motion. Location: Inside Crankcase. Keyword Example: Weichai WP12 Connecting Rod.
7. Oil Pump:
Circulates lubricating oil throughout the engine. Location: Oil Sump/Crankcase. Keyword Example: Yanmar 4TNV98 Oil Pump.
8. Overhaul Gasket Kit:
A comprehensive set of seals and gaskets needed for a full engine disassembly and reassembly. Location: Various (Engine). Keyword Example: Caterpillar C9 Overhaul Gasket Kit.
9. Main Bearing:
Supports the crankshaft in the cylinder block. Location: Cylinder Block/Crankcase. Keyword Example: Cummins ISX15 Main Bearing Set.
10. Cylinder Head:
Sits atop the cylinder block, forming the combustion chamber. Location: Top of Engine. Keyword Example: Komatsu 6D107 Cylinder Head.
If your Komatsu PC200-8 experiences sudden engine power loss and excessive black smoke, the issue often points to a faulty injector or a failing turbocharger.
Solution: First, check the air intake system for blockages. If clear, inspect the turbocharger's impeller for damage. If the turbo is fine, the fault is likely in the fuel delivery system. Run a diagnostic to identify a malfunctioning diesel fuel injector pump or individual injector, and replace with a high-quality component from our aftermarket diesel fuel injector pump selection.
Regular preventative maintenance is key to minimizing engine rebuild vs replace diesel engine dilemmas. For small utility engines like the Kubota V2203, a mid-life maintenance check should focus on the cylinder head gasket liner kit and inspecting the piston rings. Always check the ring end gap and oil control ring tension during a partial rebuild to prevent future oil consumption problems. Timely replacement of the overhaul gasket kit and bearings (like Engine main bearing set for Isuzu 6BG1) ensures long-lasting performance.
Ready to source your next shipment of Yanmar 3TNA74 parts, crankshafts, or cylinder heads? Contact us today for wholesale pricing and export inquiries. We are committed to being your reliable supplier for high quality aftermarket engine parts and all your long-lasting oil pump for Komatsu D375A needs.
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